CN113288136A - Non-invasive detection device and detection method for hemoglobin concentration index of human tissue - Google Patents
Non-invasive detection device and detection method for hemoglobin concentration index of human tissue Download PDFInfo
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- CN113288136A CN113288136A CN202110760300.XA CN202110760300A CN113288136A CN 113288136 A CN113288136 A CN 113288136A CN 202110760300 A CN202110760300 A CN 202110760300A CN 113288136 A CN113288136 A CN 113288136A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
- A61B5/14552—Details of sensors specially adapted therefor
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- A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
- A61B5/702—Posture restraints
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
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Abstract
The invention provides a non-invasive detection device and a detection method for hemoglobin concentration index of human tissue, which comprises a detection cabinet component, a fixing component, a shading component, a ventilation component and a control component, wherein the fixing component is used for fixing hands and preventing external light interference in the detection process, the shading component is used for preventing mutual interference among detection lights, the ventilation component is used for ventilating in real time in the detection process to avoid water vapor accumulation, and the problems that the detection result is inaccurate due to the influence of other veiling glare in the detection process existing in the current non-invasive detection process for the hemoglobin concentration of the human tissue, the detection result is inaccurate when the detection is carried out in a closed space, and the hands of a patient are uncomfortable are also caused are solved.
Description
Technical Field
The invention relates to the technical field of hemoglobin concentration detection, in particular to a non-invasive detection device and a detection method for a hemoglobin concentration index of human tissue.
Background
Human tissue hemoglobin concentration mainly adopts invasive laboratory detection method to survey hemoglobin concentration clinically, its measuring result is accurate, reliable, be the standard of clinical hemoglobin concentration detection, but can cause the patient to be painful, there is the mode of adopting noninvasively to detect at present, the test mode does, shine through emitting visible light and near infrared light at light source subassembly, utilize human some positions to carry out noninvasive color measurement through photoelectric sensor behind spectral reflection and the transmission characteristic, and then realize the analysis and the calculation to hemoglobin concentration level, current test mode exists: firstly, the detection result is inaccurate due to the influence of other stray light in the detection process; secondly, the hands are easy to sweat and evaporate in the air when the detection is carried out in a closed space, so that the detection light is refracted, and the light entering the photoelectric sensor is changed, thereby causing inaccurate detection results and discomfort of the hands of the patient.
Disclosure of Invention
The embodiment of the invention provides a non-invasive detection device and a detection method for hemoglobin concentration index of human tissue, wherein a fixing component, a shading component and a ventilation component are arranged, so that hands are fixed by the fixing component and external light interference is prevented in the detection process, meanwhile, the shading component prevents the interference among detected light, the ventilation component conducts ventilation in real time in the detection process to avoid the accumulation of water vapor, and the problems that the detection result is inaccurate due to the influence of other veiling glare in the detection process in the existing non-invasive detection process for hemoglobin concentration of human tissue, the detection result is inaccurate when the detection is carried out in a closed space, and the hands of a patient are uncomfortable are solved.
In view of the above problems, the technical solution proposed by the present invention is:
the human tissue hemoglobin concentration index noninvasive detection device includes:
the detection cabinet assembly comprises an upper cabinet body, a lower cabinet body, a first partition plate, a second partition plate and a third partition plate;
wherein the upper cabinet body is arranged at the top of the lower cabinet body, one side of the upper cabinet body is provided with a first groove, the top of the inner wall of the first groove is sequentially provided with a first hole site and a second groove from inside to outside, the bottom of the inner wall of the first groove is provided with a third groove, the bottom of the inner wall of the third groove is provided with a second hole site, the bottom of the inner wall of the second hole site is provided with a fourth groove, one side of the inner part of the upper cabinet body, which is far away from the first groove, is provided with a cavity, one side of the inner wall of the cavity is provided with a first through hole communicated with the first groove, the other side of the inner wall of the cavity is provided with a second through hole communicated with the outside of the upper cabinet body, filter screens are arranged inside the first through hole and the second through hole, one side of the lower cabinet body is provided with a fifth groove, and the first partition board is arranged inside the cavity, the second partition plate and the third partition plate are sequentially arranged in the lower cabinet body from top to bottom;
the fixing assembly comprises a first expansion device, a second expansion device, a spring, a pressing plate, a buffer plate, a guide rod, a fixing block and a pneumatic device;
the first expansion device is arranged on one side, far away from the cavity, of the interior of the first groove, the spring is arranged on the top of the inner wall of the second groove, the pressing plate is arranged at the bottom of the spring, the second expansion device and the buffer plate are sequentially arranged on the surface of the spring from top to bottom, one end of the guide rod is arranged in the first hole site, the other end of the guide rod is connected with one side of the pressing plate, the fixed block is arranged on one side, close to the first expansion device, of the bottom of the pressing plate, the pneumatic device is arranged on the top of the first partition plate, and the pneumatic device is communicated with the second expansion device;
the shading assembly comprises a limiting plate and a shading plate;
the light screen is arranged on one side, far away from the first expansion device, of the bottom of the pressing plate, the limiting plate is arranged inside the third groove, and a sixth groove is formed in the top of the limiting plate;
the ventilation assembly comprises an induced draft cover, an air inlet pipe, an air outlet pipe and a second air pump;
the air inducing cover is arranged inside the fourth groove, the air inducing cover is in a bowl-shaped structure, one side of an opening of the air inducing cover is communicated with the second hole, the second air pump is mounted at the top of the second partition plate, one end of the air inlet pipe is communicated with the inside of the air inducing cover, the other end of the air inlet pipe sequentially penetrates through the upper cabinet body and the lower cabinet body from top to bottom and is communicated with an air inlet of the second air pump, one end of the air outlet pipe is communicated with an air outlet of the second air pump, and the other end of the air outlet pipe sequentially communicates the lower cabinet body and the upper cabinet body from bottom to top and is communicated with the cavity;
the control assembly comprises a controller, a first pressure sensor, a second pressure sensor, a printer, a light source assembly and a photoelectric sensor;
the controller is installed at the top of the second partition plate, the printer is installed at the bottom of the inner wall of the lower cabinet body, an outlet of the printer is communicated with the fifth groove, the first pressure sensor is arranged in the first expansion device, the second pressure sensor is arranged in the second expansion device, the photoelectric sensor is arranged in the pressing plate, and the light source assembly is arranged on one side, away from the second hole, of the inner wall of the third groove.
In order to better realize the technical scheme of the invention, the following technical measures are also adopted.
Furthermore, the first partition plate is arranged at the lower part of the inner part of the cavity, and a gap is formed between the first partition plate and the bottom of the inner wall of the cavity.
Further, second expansion device includes the second gasbag, the surface of second gasbag is provided with the third through-hole, the third through-hole with the inside of second gasbag does not communicate, the material of buffer board is polyurethane foam, the bottom of buffer board with the top fixed connection of clamp plate, the top of buffer board with the bottom fixed connection of second gasbag, the fourth through-hole has been seted up on the surface of buffer board, the shape and the size of fourth through-hole with the shape and the size of third through-hole are unanimous, just the fourth through-hole with the inner wall of third through-hole respectively with the outer wall sliding connection of spring, the material of fixed block is silicon rubber, the inside of fixed block is hollow structure, and packs and has gas.
Furthermore, the pneumatic device comprises a first air pump, a second connecting pipe and a second electromagnetic valve, the first air pump is installed at the top of the first partition plate, one end of the second connecting pipe is communicated with the air outlet of the first air pump, the other end of the second connecting pipe penetrates through the upper cabinet body and is communicated with the second air bag, and the second electromagnetic valve is arranged on the second connecting pipe.
Further, the light screen set up in directly over the limiting plate, the light screen with the quantity of limiting plate is three, the bottom outer wall of light screen with the empty clearance fit between the inner wall of sixth recess.
Further, first inflation device includes first gasbag, first connecting pipe and first solenoid valve, first gasbag install in the inside of first recess, the one end of first connecting pipe with the inside intercommunication of first gasbag, the other end top-down of first connecting pipe link up in proper order go up the cabinet body and down the cabinet body with one side intercommunication of intake pipe, first solenoid valve set up in first connecting pipe is close to the one end of intake pipe, first gasbag is the annular gasbag, the shape of first gasbag with the shape looks adaptation of first recess.
Further, the first pressure sensor is disposed inside the first airbag for detecting the pressure inside the first airbag, and the second pressure sensor is disposed inside the second airbag for detecting the pressure inside the second airbag.
Further, photoelectric sensor set up in directly over the light source subassembly, photoelectric sensor with the quantity of light source subassembly is three, and is three the light source subassembly is located respectively between the limiting plate, photoelectric sensor is located between the light screen, photoelectric sensor is used for receiving the light that the light source subassembly was launched.
Further, the signal output end of the controller is in communication connection with the signal input ends of the first electromagnetic valve, the first air pump, the second electromagnetic valve, the second air pump, the printer and the light source assembly, and the signal input end of the controller is in communication connection with the signal output ends of the photoelectric sensor, the first pressure sensor and the second pressure sensor.
The non-invasive detection method of the hemoglobin concentration index of the human tissue comprises the following steps:
s1, fixing the hand, placing the hand into the first groove of the upper cabinet body, placing fingers between the limiting plates respectively, controlling the first electromagnetic valve and the second electromagnetic valve to open, enabling the first air pump and the second air pump to rotate forward, enabling the second air pump to suck outside air through the second through hole through the air outlet pipe and convey the outside air to the inside of the first air bag through the air inlet pipe and the first connecting pipe to enable the first air bag to expand to fix and seal the wrist, enabling the first air pump to suck outside air through the second through hole through the second connecting pipe and convey the outside air to the inside of the second air bag through the second connecting pipe, pushing the pressing plate, the fixing block and the light screen to move downwards after the second air bag expands, enabling the fixing block to be extruded and deformed after contacting with the hand, filling the gap between the light screen and the first air bag, stretching the spring during the downward movement of the pressing plate, enabling the bottom of the light screen to contact with a sixth groove arranged at the top of the limiting plates, after the pressures detected by the first pressure sensor and the second pressure sensor reach preset values, the controller closes the first electromagnetic valve and the second electromagnetic valve and simultaneously closes the first air pump and the second air pump;
s2, ventilating, wherein the controller controls the second air pump to rotate reversely, the second air pump sucks outside air into the first groove through the second through hole through the air inlet pipe, pumps the air in the first groove out through the second hole position, conveys the air to the cavity through the air outlet pipe, and then discharges the air to the outside through the second through hole;
s3, detecting, wherein the controller controls the start of the light source assembly, light emitted by the light source assembly irradiates a finger and enters the photoelectric sensor, the photoelectric sensor transmits a signal to the controller, and the controller receives the signal and then obtains detection data;
s4, after detection is finished, the controller controls the first electromagnetic valve and the second electromagnetic valve to be opened, the first air pump and the second air pump to be reversed, the second air pump pumps air in the first air bag through the first connecting pipe, conveys the air to the cavity through the air outlet pipe and then discharges the air to the outside through the second through hole, the first air bag contracts, and the first air pump pumps air in the first air bag through the second connecting pipe, conveys the air to the cavity and then discharges the air to the outside through the second through hole;
and S5, printing the inspection report, sending the detection data to the printer by the controller, printing the detection data by the printer, and taking out the inspection report through the fifth groove.
Compared with the prior art, the invention has the beneficial effects that:
1. fix the hand through fixed subassembly in the testing process through fixed subassembly through setting up, make hand and detection device laminating degree better, be convenient for detect, prevent simultaneously that outside light from disturbing and leading to the testing result inaccurate, solved the testing process that present human tissue hemoglobin concentration does not have the wound existence and received the influence of other miscellaneous light, lead to the inaccurate problem of testing result.
2. Through setting up shading subassembly, when detecting many fingers simultaneously, avoid different fingers to transmit out light mutual interference to lead to the testing result inaccurate, solved the influence that receives other miscellaneous light in the testing process that exists at present human tissue hemoglobin concentration noninvasive detection process, lead to the inaccurate problem of testing result.
3. Through setting up the ventilation module, the ventilation module ventilates in real time in the testing process and avoids the steam gathering to photoelectric sensor received light to produce the influence, and patient's hand also can be more comfortable simultaneously, has solved that what exists in the present human tissue hemoglobin concentration does not have the wound testing process detects in inclosed space, and the testing result is inaccurate, also can lead to the uncomfortable problem of patient's hand simultaneously.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for noninvasive measurement of hemoglobin concentration index of human tissue according to an embodiment of the present invention;
FIG. 2 is a schematic front cross-sectional view of a non-invasive apparatus for detecting hemoglobin concentration index of human tissue according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is an enlarged view of the structure at C in FIG. 2;
FIG. 6 is a schematic sectional view taken along the direction D-D in FIG. 2;
FIG. 7 is an enlarged view of the structure at A in FIG. 6;
FIG. 8 is a communication block diagram of the non-invasive detecting apparatus for hemoglobin concentration index of human tissue according to the embodiment of the present invention;
fig. 9 is a schematic flow chart of a non-invasive detection method for hemoglobin concentration index of human tissue according to an embodiment of the present invention.
Reference numerals: 100. a detection cabinet assembly; 101. an upper cabinet body; 10101. a first groove; 10102. a first hole site; 10103. a second groove; 10104. a third groove; 10105. a second hole site; 10106. a fourth groove; 10107. a cavity; 10108. a first through hole; 10109. a second through hole; 102. a lower cabinet body; 10201. a fifth groove; 103. a first separator; 104. a second separator; 105. a third partition plate; 200. a fixing assembly; 201. a first expansion device; 20101. a first air bag; 20102. a first connecting pipe; 20103. a first solenoid valve; 202. a second expansion device; 20201. a second air bag; 20202. a third through hole; 203. a spring; 204. pressing a plate; 205. a buffer plate; 20501. a fourth via hole; 206. a guide bar; 207. a fixed block; 208. a pneumatic device; 20801. a first air pump; 20802. a second connecting pipe; 20803. a second solenoid valve; 300. a shading component; 301. a limiting plate; 30101. a sixth groove; 302. a visor; 400. a ventilation assembly; 401. an induced draft cover; 402. an air inlet pipe; 403. an air outlet pipe; 404. a second air pump; 500. a control component; 501. a controller; 502. a first pressure sensor; 503. a second pressure sensor; 504. a printer; 505. a light source assembly; 506. a photoelectric sensor.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 8, the apparatus for non-invasive measurement of hemoglobin concentration index of human tissue comprises a measuring cabinet assembly 100, a fixing assembly 200, a light shielding assembly 300, a ventilation assembly 400 and a control assembly 500.
Referring to the attached drawings 1-8, a detection cabinet assembly 100 includes an upper cabinet 101, a lower cabinet 102, a first partition 103, a second partition 104 and a third partition 105, the upper cabinet 101 is mounted on the top of the lower cabinet 102, the upper cabinet 101 and the lower cabinet 102 are both made of opaque materials, one side of the upper cabinet 101 is provided with a first groove 10101 for placing a hand of a patient, the top of the inner wall of the first groove 10101 is sequentially provided with a first hole 10102 and a second groove 10103 from inside to outside, the bottom of the inner wall of the first groove 10101 is provided with a third groove 10104, the bottom of the inner wall of the third groove 10104 is provided with a second hole 10105, the bottom of the inner wall of the second hole 10105 is provided with a fourth groove 10106, one side of the inner wall of the upper cabinet 101, which is far away from the first groove 10101, one side of the inner wall of the cavity 10107 is provided with a first through hole 10108 communicating with the first groove 10101, the other side of the inner wall of the cavity 10107 is provided with a second through hole 09 communicating with the outside of the upper cabinet 101, the filter screens are arranged inside the first through hole 10108 and the second through hole 10109, the filter screens are used for blocking outside dust from entering the device and blocking outside light from entering the device, a fifth groove 10201 is formed in one side of the lower cabinet body 102 and used for taking a detection report, the first partition plate 103 is arranged inside the cavity 10107, the first partition plate 103 is arranged at the lower portion of the cavity 10107, a gap is formed between the first partition plate 103 and the bottom of the inner wall of the cavity 10107, the cavity 10107 is divided into an upper space and a lower space by the first partition plate 103, air flows cannot interfere with each other when the first through hole 10108 and the second through hole 10109 suck outside air and discharge the outside air, the second partition plate 104 and the third partition plate 105 are sequentially arranged inside the lower cabinet body 102 from top to bottom, the outside is separated from the detection part by the upper cabinet body 101, interference of outside stray light is avoided, and the problem that other impurities are received in the detection process existing in the hemoglobin concentration detection process of human tissues at present is solved The influence of light causes the problem of inaccurate detection results.
Referring to fig. 1-3, the fixing assembly 200 includes a first expansion device 201, a second expansion device 202, a spring 203, a pressing plate 204, a buffer plate 205, a guide rod 206, a fixing block 207, and a pneumatic device 208, the first expansion device 201 is disposed inside a first groove 10101 at a side away from a cavity 10107, the spring 203 is mounted at a top portion of an inner wall of a second groove 10103, the pressing plate 204 is mounted at a bottom portion of the spring 203, the second expansion device 202 and the buffer plate 205 are sequentially disposed on a surface of the spring 203 from top to bottom, the spring 203 is an extension spring 203, the pressing plate 204 is driven to contract the first air bag 20101 by keeping a contracted state in an inoperative state, one end of the guide rod 206 is disposed inside a first hole 10102, the shape and size of the guide rod 206 are adapted to the shape and size of the first hole 10102, the guide rod 206 is used for limiting a moving direction of the pressing plate 204, and the other end of the guide rod 206 is connected to one side of the pressing plate 204, the fixed block 207 is mounted at one side of the bottom of the pressure plate 204 close to the first expansion device 201, the pneumatic device 208 is arranged at the top of the first partition plate 103, the pneumatic device 208 is communicated with the second expansion device 202, the pneumatic device 208 comprises a first air pump 20801, a second connecting pipe 20802 and a second electromagnetic valve 20803, the first air pump 20801 is mounted at the top of the first partition plate 103, one end of the second connecting pipe 20802 is communicated with an air outlet of the first air pump 20801, the other end of the second connecting pipe 20802 penetrates through the upper cabinet body 101 to be communicated with a second air bag 20201, and the second electromagnetic valve 20803 is arranged on the second connecting pipe 20802;
in this embodiment, when the hand is fixed, the second air pump 404 sucks the outside air and conveys the air to the first expansion device 201 to expand the first expansion device 201 to fix the wrist, and meanwhile, the outside light is prevented from entering the inside of the detection device, the pneumatic device 208 drives the second expansion device 202 to push the pressing plate 204 and the fixing block 207 to fix the back of the hand, so that the hand is prevented from moving, the detection result is affected, the detection result is inaccurate, and the problem that the detection result is inaccurate due to the influence of other parasitic light on the detection process existing in the noninvasive detection process of the hemoglobin concentration of the human tissue at present is solved.
Referring to fig. 1-3 and 6-7, the light shielding assembly 300 includes a limiting plate 301 and a light shielding plate 302, the light shielding plate 302 is installed at one side of the bottom of the pressing plate 204 far away from the first expansion device 201, the limiting plate 301 is installed inside the third groove 10104, the limiting plate 301 and the light shielding plate 302 are made of light-tight materials, mutual influence after penetration of detection light is avoided, a sixth groove 30101 is formed at the top of the limiting plate 301, the light shielding plate 302 is arranged right above the limiting plate 301, the number of the light shielding plates 302 and the number of the limiting plate 301 are three, and the outer wall of the bottom of the light shielding plate 302 is in clearance fit with a;
in this embodiment, the position of limiting plate 301 restriction finger, in the testing process, the light that light source subassembly 505 transmitted can only shine current finger, and can only be received by photoelectric sensor 506 directly over, light screen 302 and limiting plate 301 form a whole after the bottom of light screen 302 and sixth recess 30101 contact simultaneously, further the light that has avoided light source subassembly 505 to emit passes through mutual interference behind the finger, the light that has avoided different fingers to transmit mutually interferes and leads to the testing result inaccurate, the influence that receives other miscellaneous light in the testing process that has solved present human tissue hemoglobin concentration and has not had the wound testing process that exists leads to the inaccurate problem of testing result.
Referring to fig. 1-2 and 5-7, the ventilation assembly 400 includes an induced draft housing 401, an air inlet pipe 402, an air outlet pipe 403 and a second air pump 404, the induced draft housing 401 is disposed inside the fourth recess 10106, the induced draft housing 401 is in a bowl-shaped structure, one open side of the induced draft housing 401 is communicated with the second hole 10105, the second air pump 404 is mounted on the top of the second partition plate 104, one end of the air inlet pipe 402 is communicated with the interior of the induced draft housing 401, the other end of the air inlet pipe 402 sequentially penetrates through the upper cabinet body 101 and the lower cabinet body 102 from top to bottom and is communicated with an air inlet of the second air pump 404, one end of the air outlet pipe 403 is communicated with an air outlet of the second air pump 404, and the other end of the air outlet pipe 403 sequentially communicates the lower cabinet body 102 and the upper cabinet body 101 from bottom to top and is communicated with the cavity 10107;
in this embodiment, the second air pump 404 sucks external air through the air inlet pipe 402 into the first recess 10101 through the second through hole 10109, the cavity 10107 and the first through hole 10108 in sequence, the induced draft cover 401 is sucked through the second hole 10105, the sucked air is input to the lower side of the first partition plate 103 through the air outlet pipe 403 and is discharged to the outside through the second through hole 10109, so that the air inside the second recess 10103 keeps circulating, water vapor generated by the hand is taken away in the air flowing process, the influence of the water vapor on the detection light is avoided, the hand of the patient is kept comfortable, and the problems that the detection is performed in a closed space in the existing noninvasive detection process of the hemoglobin concentration of the human tissues, the detection result is inaccurate, and the hand of the patient is uncomfortable are also caused are solved.
Referring to fig. 1-8, the control assembly 500 includes a controller 501, a first pressure sensor 502, a second pressure sensor 503, a printer 504, a light source assembly 505, and a photoelectric sensor 506, the controller 501 is installed on the top of the second partition 104, the printer 504 is installed on the bottom of the inner wall of the lower cabinet 102, the outlet of the printer 504 is communicated with the fifth recess 10201, the first pressure sensor 502 is disposed inside the first expansion device 201, the second pressure sensor 503 is disposed inside the second expansion device 202, the photoelectric sensor 506 is disposed inside the pressing plate 204, the light source assembly 505 is disposed inside the inner wall of the third recess 10104 on the side far from the second hole 10105, the first pressure sensor 502 is disposed inside the first air bag 20101 for detecting the pressure inside the first air bag 20101, the second pressure sensor 503 is disposed inside the second air bag 01 for detecting the pressure inside the second air bag 20201, the photoelectric sensors 506 are arranged right above the light source assemblies 505, the number of the photoelectric sensors 506 and the number of the light source assemblies 505 are three, the three light source assemblies 505 are respectively located between the limiting plates 301, the photoelectric sensors 506 are located between the light shielding plates 302, the photoelectric sensors 506 are used for receiving light rays emitted by the light source assemblies 505, the signal output ends of the controller 501 are respectively in communication connection with the signal input ends of the first electromagnetic valve 20103, the first air pump 20801, the second electromagnetic valve 20803, the second air pump 404, the printer 504 and the light source assemblies 505, and the signal input ends of the controller 501 are respectively in communication connection with the signal output ends of the photoelectric sensors 506, the first pressure sensor 502 and the second pressure sensor 503;
in the present embodiment, at the time of hand fixation, the first pressure sensor 502 and the second pressure sensor 503 detect the magnitudes of pressures inside the first air bag 20101 and the second air bag 20201, respectively, after the pressures detected by the first pressure sensor 502 and the second pressure sensor 503 reach preset values, the controller 501 closes the first solenoid valve 20103 and the second solenoid valve 20803 and closes the first air pump 20801 and the second air pump 404 at the same time, so as to avoid excessive squeezing on the hands of the patient and injury, when detection is performed, the controller 501 controls the light source assembly 505 to be started, light emitted by the light source assembly 505 irradiates a finger and enters the photoelectric sensor 506, the photoelectric sensor 506 transmits a signal to the controller 501, the controller 501 receives the signal and obtains detection data, the controller 501 sends the detection data to the printer 504, the printer 504 prints out the detection data, and a detection report is taken out through the fifth groove 10201.
The embodiment of the invention is also realized by the following technical scheme.
Referring to fig. 2-3, in the embodiment of the present invention, the second expansion device 202 includes a second air bag 20201, a third through hole 20202 is formed in a surface of the second air bag 20201, the third through hole 20202 is not communicated with an interior of the second air bag 20201, the buffer board 205 is made of polyurethane foam and has a compressible property, a bottom of the buffer board 205 is fixedly connected to a top of the pressure plate 204, a top of the buffer board 205 is fixedly connected to a bottom of the second air bag 20201, a fourth through hole 20501 is formed in a surface of the buffer board 205, a shape and a size of the fourth through hole 20501 are identical to those of the third through hole 20202, inner walls of the fourth through hole 20501 and the third through hole 20202 are respectively connected to an outer wall of the spring 203 in a sliding manner, the fixing block 207 is made of silicon rubber, and the interior of the fixing block 207 is a hollow structure and is filled with air;
in this embodiment, in the fixing process, the second air bag 20201 expands to push the pressing plate 204, the fixing block 207 and the light shielding plate 302 to move downward, the fixing block 207 is pressed to deform after contacting with the hand, so as to fill a gap between the light shielding plate 302 and the first air bag 20101, the position of the hand is further limited, meanwhile, external light is further prevented from entering the device, the buffer plate 205 is used for buffering the hand by being compressed in the pressing process of the pressing plate 204, so as to prevent the hand from being damaged, and the problem that the detection result is inaccurate due to the influence of other parasitic light in the detection process existing in the current noninvasive detection process of the hemoglobin concentration of the human tissue is solved.
Referring to fig. 3-7, in the embodiment of the present invention, the first expansion device 201 includes a first air bag 20101, a first connection pipe 20102 and a first electromagnetic valve 20103, the first air bag 20101 is installed inside the first groove 10101, one end of the first connection pipe 20102 is communicated with the inside of the first air bag 20101, the other end of the first connection pipe 20102 sequentially penetrates through the upper cabinet 101 and the lower cabinet 102 from top to bottom and is communicated with one side of the air inlet pipe 402, the first electromagnetic valve 20103 is disposed at one end of the first connection pipe 20102 close to the air inlet pipe 402, the first air bag 20101 is an annular air bag, and the shape of the first air bag 20101 is matched with the shape of the first groove 10101;
in this embodiment, the first air bag 20101 is made of a light-tight elastic material, the second air pump 404 sucks external air through the second through hole 10109 through the air outlet pipe 403 and conveys the air to the inside of the first air bag 20101 through the air inlet pipe 402 and the first connecting pipe 20102 to enable the first air bag 20101 to expand to fix and seal the wrist, so that external stray light is prevented from entering the inside of the device, and the problem that the detection result is inaccurate due to the influence of other stray light in the detection process existing in the non-invasive detection process of the hemoglobin concentration of the human tissue at present is solved.
Referring to fig. 1-9, the present invention further provides a method for non-invasive measurement of hemoglobin concentration index of human tissue, comprising the following steps:
s1, fixing the hand, placing the hand into the first groove 10101 of the upper cabinet 101, placing fingers between the limiting plates 301, respectively, the controller 501 controls the first electromagnetic valve 20103 and the second electromagnetic valve 20803 to open, the first air pump 20801 and the second air pump 404 to rotate forward, the second air pump 404 sucks outside air through the second through hole 10109 through the air outlet pipe 403 and conveys the outside air to the inside of the first air bag 20101 through the air inlet pipe 402 and the first connecting pipe 20102 to expand the first air bag 20101 to fix and seal the wrist, the first air pump 20801 sucks outside air through the second through hole 10109 through the second connecting pipe 20802 and conveys the outside air to the inside of the second air bag 20201 through the second connecting pipe 20802, the second air bag 20201 pushes the pressing plate 204, the fixing block 207 and the light shielding plate 302 to move downwards after expanding, the fixing block 207 is extruded and deformed after contacting with the hand, the gap between the light shielding plate 302 and the first air bag 20101 is filled, the spring 203 is stretched during the downward movement of the pressing plate 204, the bottom of the shading plate 302 is in contact with a sixth groove 30101 arranged at the top of the limiting plate 301, and after the pressures detected by the first pressure sensor 502 and the second pressure sensor 503 reach preset values, the controller 501 closes the first electromagnetic valve 20103 and the second electromagnetic valve 20803 and simultaneously closes the first air pump 20801 and the second air pump 404;
s2, ventilating, wherein the controller 501 controls the second air pump 404 to rotate reversely, the second air pump 404 sucks the outside air into the first groove 10101 through the second through hole 10109 by the air inlet pipe 402, pumps the air in the first groove 10101 out through the second hole 10105, conveys the air to the cavity 10107 through the air outlet pipe 403, and then discharges the air to the outside through the second through hole 10109;
s3, detecting, wherein the controller 501 controls the light source assembly 505 to start, light emitted by the light source assembly 505 enters the photoelectric sensor 506 after being irradiated by fingers, the photoelectric sensor 506 transmits signals to the controller 501, and the controller 501 receives the signals to obtain detection data;
s4, after detection is finished, the controller 501 controls the first electromagnetic valve 20103 and the second electromagnetic valve 20803 to be opened, the first air pump 20801 and the second air pump 404 to be reversed, the second air pump 404 pumps air in the first air bag 20101 through the first connecting pipe 20102 and conveys the air to the cavity 10107 through the air outlet pipe 403, then the air is discharged to the outside through the second through hole 10109, the first air bag 20101 contracts to release the wrist part, the first air pump 20801 pumps air in the first air bag 20101 through the second connecting pipe 20802, the spring 203 retracts after losing the tensile force of the first air bag 20101 to drive the pressing plate 204 to move upwards to release the back of the hand, and the air is discharged to the outside through the second through hole 10109 after being conveyed to the cavity 10107;
s5, the test report is printed, the controller 501 sends the test data to the printer 504, the printer 504 prints out the test data, and the test report is taken out through the fifth slot 10201.
Specifically, the controller 501 controls the first solenoid valve 20103 and the second solenoid valve 20803 to open, the first air pump 20801 and the second air pump 404 to rotate forward, the second air pump 404 sucks external air through the second through hole 10109 via the air outlet pipe 403 and conveys the external air to the inside of the first air bag 20101 via the air inlet pipe 402 and the first connecting pipe 20102 to expand the first air bag 20101 to fix and seal the wrist, the first air pump 20801 sucks the external air through the second through hole 10109 via the second connecting pipe 20802 to convey the external air to the inside of the second air bag 20201 via the second connecting pipe 20802, the second air bag 20201 expands to push the pressure plate 204, the fixed block 207 and the fixed block 302 to move downward, the fixed block 207 is pressed to deform after contacting with the hand to fill the gap between the light shielding plate 302 and the first air bag 20101 to further limit the position of the hand, and further prevent external light from entering the inside of the air pump device, the second air pump 404 sucks the external air into the inside of the first groove 10101 via the second through the air shielding plate 10109 via the air inlet pipe 402, air in the first groove 10101 is pumped out through the second hole 10105 and is conveyed to the cavity 10107 through the air outlet pipe 403 and then is discharged to the outside through the second through hole 10109, the controller 501 controls the light source assembly 505 to be started, light emitted by the light source assembly 505 irradiates a finger and enters the photoelectric sensor 506, the photoelectric sensor 506 transmits a signal to the controller 501, the controller 501 receives the signal and then obtains detection data, the controller 501 sends the detection data to the printer 504, the printer 504 sends the detection data out, through the arrangement of the fixing assembly 200, the shading assembly 300 and the ventilation assembly 400, the hand is fixed through the fixing assembly 200 in the detection process and external light interference is prevented, meanwhile, the shading assembly 300 prevents interference among the detection light, the ventilation assembly 400 ventilates in real time in the detection process to avoid water vapor accumulation, the problem that the detection process existing in the noninvasive detection process of hemoglobin concentration of human tissues at present is influenced by other stray light is solved, the detection result is inaccurate, the detection is carried out in a closed space, the detection result is inaccurate, and meanwhile, the hand of the patient is uncomfortable.
It should be noted that the specific model specifications of the controller 501, the first electromagnetic valve 20103, the first air pump 20801, the second electromagnetic valve 20803, the second air pump 404, the printer 504, the light source assembly 505, the photoelectric sensor 506, the first pressure sensor 502, and the second pressure sensor 503 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, and therefore, detailed description is omitted.
The power supply and the principle of the controller 501, the first solenoid valve 20103, the first air pump 20801, the second solenoid valve 20803, the second air pump 404, the printer 504, the light source assembly 505, the photoelectric sensor 506, the first pressure sensor 502 and the second pressure sensor 503 are clear to those skilled in the art, and will not be described in detail herein.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The noninvasive detection device of human tissue hemoglobin concentration index, its characterized in that includes:
the detection cabinet assembly comprises an upper cabinet body, a lower cabinet body, a first partition plate, a second partition plate and a third partition plate;
wherein the upper cabinet body is arranged at the top of the lower cabinet body, one side of the upper cabinet body is provided with a first groove, the top of the inner wall of the first groove is sequentially provided with a first hole site and a second groove from inside to outside, the bottom of the inner wall of the first groove is provided with a third groove, the bottom of the inner wall of the third groove is provided with a second hole site, the bottom of the inner wall of the second hole site is provided with a fourth groove, one side of the inner part of the upper cabinet body, which is far away from the first groove, is provided with a cavity, one side of the inner wall of the cavity is provided with a first through hole communicated with the first groove, the other side of the inner wall of the cavity is provided with a second through hole communicated with the outside of the upper cabinet body, filter screens are arranged inside the first through hole and the second through hole, one side of the lower cabinet body is provided with a fifth, the second partition plate and the third partition plate are sequentially arranged in the lower cabinet body from top to bottom;
the fixing assembly comprises a first expansion device, a second expansion device, a spring, a pressing plate, a buffer plate, a guide rod, a fixing block and a pneumatic device;
the first expansion device is arranged on one side, far away from the cavity, of the interior of the first groove, the spring is arranged on the top of the inner wall of the second groove, the pressing plate is arranged at the bottom of the spring, the second expansion device and the buffer plate are sequentially arranged on the surface of the spring from top to bottom, one end of the guide rod is arranged in the first hole site, the other end of the guide rod is connected with one side of the pressing plate, the fixed block is arranged on one side, close to the first expansion device, of the bottom of the pressing plate, the pneumatic device is arranged on the top of the first partition plate, and the pneumatic device is communicated with the second expansion device;
the shading assembly comprises a limiting plate and a shading plate;
the light screen is arranged on one side, far away from the first expansion device, of the bottom of the pressing plate, the limiting plate is arranged inside the third groove, and a sixth groove is formed in the top of the limiting plate;
the ventilation assembly comprises an induced draft cover, an air inlet pipe, an air outlet pipe and a second air pump;
the air inducing cover is arranged inside the fourth groove, the air inducing cover is in a bowl-shaped structure, one side of an opening of the air inducing cover is communicated with the second hole, the second air pump is mounted at the top of the second partition plate, one end of the air inlet pipe is communicated with the inside of the air inducing cover, the other end of the air inlet pipe sequentially penetrates through the upper cabinet body and the lower cabinet body from top to bottom and is communicated with an air inlet of the second air pump, one end of the air outlet pipe is communicated with an air outlet of the second air pump, and the other end of the air outlet pipe sequentially communicates the lower cabinet body and the upper cabinet body from bottom to top and is communicated with the cavity;
the control assembly comprises a controller, a first pressure sensor, a second pressure sensor, a printer, a light source assembly and a photoelectric sensor;
the controller is installed at the top of the second partition plate, the printer is installed at the bottom of the inner wall of the lower cabinet body, an outlet of the printer is communicated with the fifth groove, the first pressure sensor is arranged in the first expansion device, the second pressure sensor is arranged in the second expansion device, the photoelectric sensor is arranged in the pressing plate, and the light source assembly is arranged on one side, away from the second hole, of the inner wall of the third groove.
2. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 1, wherein: the first partition plate is arranged at the lower part of the inner part of the cavity, and a gap is formed between the first partition plate and the bottom of the inner wall of the cavity.
3. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 1, wherein: the second expansion device comprises a second air bag, a third through hole is formed in the surface of the second air bag, the third through hole is not communicated with the inside of the second air bag, the buffer plate is made of polyurethane foam, the bottom of the buffer plate is fixedly connected with the top of the pressing plate, the top of the buffer plate is fixedly connected with the bottom of the second air bag, a fourth through hole is formed in the surface of the buffer plate, the shape and the size of the fourth through hole are consistent with those of the third through hole, the inner wall of the fourth through hole and the inner wall of the third through hole are respectively in sliding connection with the outer wall of the spring, the fixed block is made of silicon rubber, the inside of the fixed block is of a hollow structure, and the fixed block is filled with gas.
4. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 3, wherein: the pneumatic device comprises a first air pump, a second connecting pipe and a second electromagnetic valve, the first air pump is installed at the top of the first partition plate, one end of the second connecting pipe is communicated with the air outlet of the first air pump, the other end of the second connecting pipe penetrates through the upper cabinet body and the second air bag, and the second electromagnetic valve is arranged on the second connecting pipe.
5. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 1, wherein: the light screen set up in directly over the limiting plate, the light screen with the quantity of limiting plate is three, the bottom outer wall of light screen with space clearance fit between the inner wall of sixth recess.
6. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 4, wherein: first expansion device includes first gasbag, first connecting pipe and first solenoid valve, first gasbag install in the inside of first recess, the one end of first connecting pipe with the inside intercommunication of first gasbag, the other end top-down of first connecting pipe link up in proper order go up the cabinet body with down the cabinet body with one side intercommunication of intake pipe, first solenoid valve set up in first connecting pipe is close to the one end of intake pipe, first gasbag is the annular gasbag, the shape of first gasbag with the shape looks adaptation of first recess.
7. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 6, wherein: the first pressure sensor is arranged in the first air bag and used for detecting the pressure in the first air bag, and the second pressure sensor is arranged in the second air bag and used for detecting the pressure in the second air bag.
8. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 6, wherein: photoelectric sensor set up in directly over the light source subassembly, photoelectric sensor with the quantity of light source subassembly is three, and is three the light source subassembly is located respectively between the limiting plate, photoelectric sensor is located between the light screen, photoelectric sensor is used for receiving the light that the light source subassembly was launched.
9. The apparatus for non-invasive measurement of hemoglobin concentration index of human tissue of claim 8, wherein: the signal output end of the controller is respectively in communication connection with the signal input ends of the first electromagnetic valve, the first air pump, the second electromagnetic valve, the second air pump, the printer and the light source assembly, and the signal input end of the controller is respectively in communication connection with the signal output ends of the photoelectric sensor, the first pressure sensor and the second pressure sensor.
10. A method of non-invasive measurement of the hemoglobin concentration index of human tissue according to claims 1-9, comprising: the method comprises the following steps:
s1, fixing the hand, placing the hand into the first groove of the upper cabinet body, placing fingers between the limiting plates respectively, controlling the first electromagnetic valve and the second electromagnetic valve to open, enabling the first air pump and the second air pump to rotate forward, enabling the second air pump to suck outside air through the second through hole through the air outlet pipe and convey the outside air to the inside of the first air bag through the air inlet pipe and the first connecting pipe to enable the first air bag to expand to fix and seal the wrist, enabling the first air pump to suck outside air through the second through hole through the second connecting pipe and convey the outside air to the inside of the second air bag through the second connecting pipe, pushing the pressing plate, the fixing block and the light screen to move downwards after the second air bag expands, enabling the fixing block to be extruded and deformed after contacting with the hand, filling the gap between the light screen and the first air bag, stretching the spring during the downward movement of the pressing plate, enabling the bottom of the light screen to contact, after the pressures detected by the first pressure sensor and the second pressure sensor reach preset values, the controller closes the first electromagnetic valve and the second electromagnetic valve and simultaneously closes the first air pump and the second air pump;
s2, ventilating, wherein the controller controls the second air pump to rotate reversely, the second air pump sucks outside air into the first groove through the second through hole through the air inlet pipe, pumps the air in the first groove out through the second hole position, conveys the air to the cavity through the air outlet pipe, and then discharges the air to the outside through the second through hole;
s3, detecting, wherein the controller controls the start of the light source assembly, light emitted by the light source assembly irradiates a finger and enters the photoelectric sensor, the photoelectric sensor transmits a signal to the controller, and the controller receives the signal and then obtains detection data;
s4, after detection is finished, the controller controls the first electromagnetic valve and the second electromagnetic valve to be opened, the first air pump and the second air pump to be reversed, the second air pump pumps air in the first air bag through the first connecting pipe, conveys the air to the cavity through the air outlet pipe and then discharges the air to the outside through the second through hole, the first air bag contracts, and the first air pump pumps air in the first air bag through the second connecting pipe, conveys the air to the cavity and then discharges the air to the outside through the second through hole;
and S5, printing the inspection report, sending the detection data to the printer by the controller, printing the detection data by the printer, and taking out the inspection report through the fifth groove.
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| CN113288136B (en) | 2022-10-04 |
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